FR2325648B1 - - Google Patents
Info
- Publication number
- FR2325648B1 FR2325648B1 FR7628617A FR7628617A FR2325648B1 FR 2325648 B1 FR2325648 B1 FR 2325648B1 FR 7628617 A FR7628617 A FR 7628617A FR 7628617 A FR7628617 A FR 7628617A FR 2325648 B1 FR2325648 B1 FR 2325648B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Pyrane Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50114333A JPS5239665A (en) | 1975-09-23 | 1975-09-23 | Process for preparing perfluorolactones |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2325648A1 FR2325648A1 (fr) | 1977-04-22 |
| FR2325648B1 true FR2325648B1 (de) | 1981-10-09 |
Family
ID=14635168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7628617A Granted FR2325648A1 (fr) | 1975-09-23 | 1976-09-23 | Procede de preparation de perfluorolactones |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4089869A (de) |
| JP (1) | JPS5239665A (de) |
| DE (1) | DE2642824C3 (de) |
| FR (1) | FR2325648A1 (de) |
| GB (1) | GB1500880A (de) |
| IT (1) | IT1068309B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990006296A1 (en) * | 1988-12-02 | 1990-06-14 | Minnesota Mining And Manufacturing Company | Direct fluorination process for making perfluorinated organic substances |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2485100A (en) * | 1948-09-25 | 1949-10-18 | Us Rubber Co | Lactonization of 2, 4-polyhalogenoalkanoic esters |
| US3346594A (en) * | 1965-08-25 | 1967-10-10 | Gen Aniline & Film Corp | Haloalkyl and polyhaloalkyl lactones |
-
1975
- 1975-09-23 JP JP50114333A patent/JPS5239665A/ja active Granted
-
1976
- 1976-09-10 US US05/722,076 patent/US4089869A/en not_active Expired - Lifetime
- 1976-09-16 GB GB38457/76A patent/GB1500880A/en not_active Expired
- 1976-09-20 IT IT27383/76A patent/IT1068309B/it active
- 1976-09-23 FR FR7628617A patent/FR2325648A1/fr active Granted
- 1976-09-23 DE DE2642824A patent/DE2642824C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2325648A1 (fr) | 1977-04-22 |
| DE2642824C3 (de) | 1980-09-25 |
| IT1068309B (it) | 1985-03-21 |
| GB1500880A (en) | 1978-02-15 |
| DE2642824B2 (de) | 1980-01-31 |
| US4089869A (en) | 1978-05-16 |
| DE2642824A1 (de) | 1977-03-31 |
| JPS5239665A (en) | 1977-03-28 |
| JPS5512907B2 (de) | 1980-04-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |